diff --git a/package.json b/package.json
index e345c43..a594035 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,6 @@
     "truffle-solidity-loader": "0.0.8",
     "web3": "^0.18.2",
     "webpack": "^2.4.1",
-    "webpack-dev-server": "^2.4.3"
+    "webpack-dev-server": "^3.9.0"
   }
 }